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| 1 | <?php |
| 2 | /** |
| 3 | * Solver class implementation file |
| 4 | * @package Code\Simplify |
| 5 | * @author Felipe Gaspar <felipesouzalimagaspar@gmail.com> |
| 6 | */ |
| 7 | declare(strict_types=1); |
| 8 | namespace Code\Simplify; |
| 9 | /** |
| 10 | * Discover, validate and execute the desired method call |
| 11 | * @final |
| 12 | */ |
| 13 | final class Solver { |
| 14 | /** |
| 15 | * @var array<MagicallyInvokedMethod> List of available methods |
| 16 | */ |
| 17 | private array $declared_methods = []; |
| 18 | /** |
| 19 | * @access public |
| 20 | * @param MagicallyInvokedMethod ...$methods List of available methods |
| 21 | */ |
| 22 | public function __construct(MagicallyInvokedMethod ...$methods) { |
| 23 | $this->declared_methods = $methods; |
| 24 | } |
| 25 | /** |
| 26 | * Checks if the called method has the matching signature |
| 27 | * @access public |
| 28 | * @param object $instance Object for method invocation |
| 29 | * @param string $name Method name |
| 30 | * @param array $arguments Method arguments |
| 31 | * @return mixed The return varies according to the invoked method |
| 32 | * @throws \Error Error when method is not defined |
| 33 | */ |
| 34 | public function solve(object $instance, string $name, array $arguments = []) : mixed { |
| 35 | foreach($this->declared_methods as $method) |
| 36 | if($method->verifySignature($name, $arguments)) |
| 37 | return $method->invoke($instance, $name, $arguments); |
| 38 | throw self::UndefinedMethodError($instance, $name, $arguments); |
| 39 | } |
| 40 | /** |
| 41 | * Checks if the called method has the matching signature |
| 42 | * @access public |
| 43 | * @param object $instance Object for method invocation |
| 44 | * @param string $name Method name |
| 45 | * @param array $arguments Method arguments |
| 46 | * @return Error Create an error when method is undefined |
| 47 | */ |
| 48 | public static function UndefinedMethodError(object $instance, string $name, array $arguments) : \Error { |
| 49 | return new \Error("Call to undefined method ".get_class($instance)."::{$name}(".join(", ", $arguments).")"); |
| 50 | } |
| 51 | } |